National guard patrol the perimeter of Altamira square after clashing with anti-government protesters demonstrating against Nicolas Maduro's government at Altamira square in Caracas

National guard patrol the perimeter of Altamira square after clashing with anti-government protesters demonstrating against Nicolas Maduro's government at Altamira square in Caracas

TOMAS BRAVO / REUTERS

National guard patrol the perimeter of Altamira square after clashing with anti-government protesters demonstrating against Nicolas Maduro's government at Altamira square in Caracas March 16, 2014. Opponents of Venezuela's socialist government marched on Sunday to protest against alleged Cuban...

National guard patrol the perimeter of Altamira square after clashing with anti-government protesters demonstrating against Nicolas Maduro's government at Altamira square in Caracas March 16, 2014. Opponents of Venezuela's socialist government marched on Sunday to protest against alleged Cuban... (TOMAS BRAVO / REUTERS)

National guard patrol the perimeter of Altamira square after clashing with anti-government protesters demonstrating against Nicolas Maduro's government at Altamira square in Caracas March 16, 2014. Opponents of Venezuela's socialist government marched on Sunday to protest against alleged Cuban...TOMAS BRAVO / REUTERS